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Subtract 63/48 from 42/84

1st number: 42/84, 2nd number: 1 15/48

42/84 - 63/48 is -13/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 48 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 84 × 4 = 336,
    42/84 = 42 × 4/84 × 4 = 168/336
  3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
    63/48 = 63 × 7/48 × 7 = 441/336
  4. Subtract the two like fractions:
    168/336 - 441/336 = 168 - 441/336 = -273/336
  5. After reducing the fraction, the answer is -13/16

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